A multipoint lock is one that, with a single turn of the key, secures the door at several points at once: as well as the central bolt, it drives rods or bolts upwards, downwards or sideways into the frame. Almost every security door has one.

Spreading the locking across several points makes it far harder to lever the door open, because there is no single spot to get a tool into. It also helps the door leaf pull in tight against the frame and fit better.

If you notice the key going stiff on the last turn, it usually means one of the points is not going straight into its strike plate. It is worth adjusting before a part inside the case breaks. We explain it under multipoint locks.

Questions that mention it

Do you open patio doors and aluminium doors?

Yes. We open patio doors, sliding doors and aluminium or uPVC doors, including those with multipoint locks, taking care of the profile and the glass. Read the full answer

What is a multipoint lock?

It is a lock that, with a single key, locks the door at several points of the frame at once, which makes it much harder to force with a crowbar. Read the full answer

Can security locks be fitted on aluminium doors?

Yes. There are security locks made for aluminium and uPVC profiles, mostly multipoint, which lock at several points and take a security cylinder. Read the full answer

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